31. Which one of the following is a non-metallic mineral?
A. Manganese
B. Magnesium
C. Gypsum
D. Bauxite
✅ The correct answer is option C.
Everyday Science MCQs
Prepare with the best Everyday Science MCQs with answers and explanations for exams and job tests. Our collection covers physics, chemistry, biology, inventions, discoveries, human body systems, space science, environmental science, and scientific facts from daily life. These Everyday Science multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and recruitment assessments. Strengthen your general science knowledge and score higher with our updated Everyday Science MCQs.
32. Uncertainty Principle was given by?
A. Werner Heisenberg
B. Farady
C. John locke
D. None of these
✅ The correct answer is option A.
33. What natural phenomena are measured by the Richter Scale?
A. Volcanoes
B. Typhoons
C. Earth quacks
D. Tsunami
✅ The correct answer is option C.
34. Echo is a ___________ of sound?
A. Reflection
B. Refraction
C. Interference
D. None
✅ The correct answer is option A.
35. What is the breathing rate of human being body?
A. 15-11 minutes
B. 16-20 minutes
C. 25-26 minutes
D. 32-35 minutes
✅ The correct answer is option B.
36. Dioptre is a unit of measurement for __________ ?
A. Current
B. Lens
C. Force
D. Focal Length
✅ The correct answer is option B.
37. Which one of the following is not vector quantity _______?
A. Acceleration
B. Displacement
C. Speed
D. Force
✅ The correct answer is option C.
38. All of the following statements are incorrect except:
A. Precision and accuracy should go side by side in a scientific work
B. Scientific work must be precise, accuracy is not essential
C. Scientific work must be accurate, precision is not essential
D. Calculations must be made before any experiment
✅ The correct answer is option A.
39. ___________ is a strong smelling agent added to LPG cylinders to detect leakage?
A. Nitrogen Peroxide
B. Ethyl Mercaptan
C. Carbon Monoxide
D. Sulphur Dioxide
✅ The correct answer is option B.
40. Stripes on each side of “Grévy’s Zebra” is about_________?
A. 20+
B. 30+
C. 80+
D. 36+
✅ The correct answer is option C.